Cognitive radio in 5G: a perspective on energy-spectral efficiency trade-off

  title={Cognitive radio in 5G: a perspective on energy-spectral efficiency trade-off},
  author={Xuemin Hong and Jing Wang and Cheng-Xiang Wang and Jianghong Shi},
  journal={IEEE Communications Magazine},
A cognitive cellular network, which integrates conventional licensed cellular radio and cognitive radio into a holistic system, is a promising paradigm for the fifth generation mobile communication systems. Understanding the trade-off between energy efficiency, EE, and spectral efficiency, SE, in cognitive cellular networks is of fundamental importance for system design and optimization. This article presents recent research progress on the EE-SE trade-off of cognitive cellular networks. We… CONTINUE READING
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On the Statistic of Cognitive Radio Capacity in Shadowing and Fast Fading Environments

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